AOBEM Emergency Medicine study materials
AOBEM Emergency Medicine study resources

The EMS Handoff That Changes the Destination

AOBEM Emergency Medicine · Put your knowledge to work in context.

All case studies

The EMS Handoff That Changes the Destination

You are the EMS medical director reviewing a case. A 62-year-old woman called 911 for sudden severe headache ('worst of my life') and vomiting. The paramedic crew found her alert, GCS 15, BP 188/104, HR 88, SpO2 98%, with no focal deficits and no neck stiffness. They transported her to the nearest hospital, a 40-bed critical-access facility with CT but no neurosurgery, 12 minutes away. The regional stroke/neuro center with neurosurgery is 55 minutes away by ground. En route the patient vomited again and became drowsy (GCS 13). The crew continued to the critical-access ED, where CT showed a subarachnoid hemorrhage and she was transferred out 2 hours later by ground.

1. Was the destination choice appropriate? Analyze the decision using EMS triage and time-critical condition principles.

Read the worked answer

The destination choice was defensible initially but became suboptimal as the patient deteriorated. Key principles: for time-critical conditions, transport to the facility capable of definitive care when the added transport time is reasonable and the receiving facility can provide the needed intervention. A thunderclap headache with vomiting and hypertension is a subarachnoid hemorrhage until proven otherwise, and definitive care (neurosurgery, neurocritical care, aneurysm securing) exists only at the neuro center. The critical-access facility can obtain a CT but cannot secure an aneurysm, so the patient will need transfer regardless. The 55-minute ground transport is within acceptable extended time for a suspected SAH, especially if the crew can rendezvous with ALS or air medical. The deterioration (GCS 15→13, repeat vomiting) en route is a red flag for rebleeding or rising ICP and should have triggered a destination reconsideration-divert to the neuro center or request air medical rendezvous. The 2-hour delay to transfer at the critical-access ED is a systems failure that worsened outcome.

2. What protocol changes would you implement from this case?

Read the worked answer
  1. Triage criteria: add 'thunderclap/worst headache' to the time-critical condition list requiring medical control notification and consideration of direct transport to the neuro center, with a documented decision tool. 2) Diversion/reassessment rule: any decline in GCS, new vomiting, or new focal deficit en route mandates online medical control contact and reconsideration of destination (divert or air rendezvous). 3) Air medical activation criteria for suspected SAH/ICH with extended ground times. 4) Prehospital notification to the receiving facility so CT and neurosurgery can be mobilized before arrival, and a transfer bundle (CT images pushed, neurosurgery accepting) to reduce the 2-hour door-in-door-out time at the critical-access facility. 5) QI review with the crew and receiving hospitals, plus documentation of times (scene, first contact, arrival, CT, transfer). 6) Consider BP management guidance (avoid overtreatment; target SBP <160 until aneurysm secured per local protocol) and anti-emetic use to prevent ICP spikes.